CVE-2023-2911
7.5
HIGH
CVSS 3.1
EPSS 2.6%
描述
If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named` to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.
如何修補 CVE-2023-2911
要修補 CVE-2023-2911,請將受影響套件升級到下列已修補版本。
- —升級至 9.16.42-r0 或更新版本
CVE-2023-2911 正在被利用嗎?
低 — EPSS 為 2.6%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- >= 9.16.33, < 9.16.42-r0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |